Showcase frame extrusion



FIG. 1 is a top and right side perspective view of a showcase frame extrusion showing my new design;

FIG. 2 is a front elevational view thereof and a rear elevational view is identical;

FIG. 3 is a left side elevational view thereof and the other side view is identical;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a bottom and left perspective view of the showcase frame extrusion shown of FIG. 1; and,

FIG. 7 is a front sectional view showcase frame extrusion shown in its position of use, taken along a line 4-4 of FIG. 4.

The broken lines are illustrative purpose only and form no part of the claimed design. 

The design for a showcase frame extrusion, as shown and described. 